There are so many outdoor cat accessories to chose from to go with your Royal Rooster cat enclosure. Cat shelves and bridges are very popular and can be installed at various heights. Cat bridges can be attached to two cat shelves installed at the same height. Sisal Posts and steps create a great scratching opportunity for your cat. An outdoor litter box keeps those smells outside and makes cleaning up very easy. Access tunnels joined to a cat window insert, enable your cat to come and go has they please.